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Perturbative Charm Production and the Prompt Atmospheric Neutrino Flux in light of RHIC and LHC
Bhattacharya, Atri; Enberg, Rikard; Reno, Mary Hall et al.
202040th International Conference on High Energy physics
 

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Keywords :
Prompt neutrinos; Charm Mesons
Abstract :
[en] Prompt neutrinos due to the decay of charmed mesons produced in the atmosphere from cosmic-ray and atmospheric nuclei interactions may be a significant source of background to ultra-high energy neutrino searches above 10 TeV. We re-evaluate this flux using updated charm production cross-sections based on QCD parameters, the charm quark mass, and the range for the factorization and renormalization scales that provide the best description of this data at fixed target experiments, at RHIC, and at LHC. We find that the prompt neutrino flux is reduced from previous results in the literature by a factor between two and eight, depending on the energy. We discuss the implications of our results for current IceCube data.
Disciplines :
Physics
Author, co-author :
Bhattacharya, Atri ;  Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Inter. fondamentales en physique et astrophysique (IFPA)
Enberg, Rikard
Reno, Mary Hall
Sarcevic, Ina
Stasto, Anna
Language :
English
Title :
Perturbative Charm Production and the Prompt Atmospheric Neutrino Flux in light of RHIC and LHC
Publication date :
2020
Event name :
40th International Conference on High Energy physics
Event date :
July 28 - August 6, 2020
Audience :
International
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since 04 January 2021

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